ListDocumentCollaborators is basically the network request for the document’s People/Collaborators view.

In this codebase, it is not the main source name used in app code. The actual code path is:

useCollaborators(docId)
frontend/packages/shared/src/models/entity.ts:648

which calls useCapabilities(docId)

which runs the query client.request('ListCapabilities', {targetId})
frontend/packages/shared/src/models/queries.ts:294

implemented by ListCapabilities
frontend/packages/shared/src/api-capabilities.ts

So, conceptually:

ListDocumentCollaborators = “load collaborators for this document” but in code it’s implemented via capabilities, not a separate collaborator RPC.

Why: collaborators are derived from the document’s access grants/capabilities.

Related UI:

CollaboratorsPage / People tab
frontend/packages/ui/src/collaborators-page.tsx

Recap

ListDocumentCollaborators is the network-level collaborator-loading request, but the code mostly calls it ListCapabilitiesand derives collaborators from those capabilities.

Main hook: useCollaborators(docId) in frontend/packages/shared/src/models/entity.ts

Actual request: client.request('ListCapabilities', {targetId}) in frontend/packages/shared/src/models/queries.ts

Request implementation: frontend/packages/shared/src/api-capabilities.ts

UI using it: frontend/packages/ui/src/collaborators-page.tsx